1122321043 has 2 divisors, whose sum is σ = 1122321044. Its totient is φ = 1122321042.

The previous prime is 1122321029. The next prime is 1122321073. The reversal of 1122321043 is 3401232211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122321043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122321043.

It is not a weakly prime, because it can be changed into another prime (1122321073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561160521 + 561160522.

It is an arithmetic number, because the mean of its divisors is an integer number (561160522).

Almost surely, 2^1122321043 is an apocalyptic number.

1122321043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122321043 is an equidigital number, since it uses as much as digits as its factorization.

1122321043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1122321043 is about 33501.0603265031. The cubic root of 1122321043 is about 1039.2157064594.

Adding to 1122321043 its reverse (3401232211), we get a palindrome (4523553254).

The spelling of 1122321043 in words is "one billion, one hundred twenty-two million, three hundred twenty-one thousand, forty-three".